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Finding the Fourth Proportional to 76,004.61, 104,886.78 and 41,549.40

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Solution

The fourth proportional to 76,004.61, 104,886.78 and 41,549.40 is: 57,338.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,004.61 : 104,886.78 = 41,549.40 : x
  2. Step 2: Convert to fraction form
    76,004.61/104,886.78 = 41,549.40/x
  3. Step 3: Cross multiply
    76,004.61x = 104,886.78 × 41,549.40
  4. Step 4: Simplify right side
    76,004.61x = 4,357,982,776.93
  5. Step 5: Solve for x
    x = 4,357,982,776.93/76,004.61
  6. Step 6: Final answer
    x = 57,338.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.